Laserfiche WebLink
10cg 1040 <br /> l> (� r�� -7,�r <br /> 9`f v - r U 3 r/z <br /> Appendix A <br /> 71 SO Overfill Valve Upper Tube Calculation Worksheet <br /> Imogrtant:This Is meant to be supplemental worksheet and not a substitute to following the installation <br /> manual instructions-All length measurements are in inches.Please contact the Authority Having Jurisdic- <br /> tion(AHJ)and review local,state,and national codes to determine the regulatory requirements governing <br /> shut-off capacity in your region,as well as take into account other considerations such as extreme tank tilt- <br /> /Desired tank capacity for shut-off: SO%= (� <br /> Dipstick Number on Tank Chart that corresponds to IMb volume(Y)_ I L1�C Or) <br /> Dipstick Number on Tank Chart that corresponds to 50%(X)_ E= (h) <br /> Upper Tube Reference Number Z=Y-X f�3'�L (Z) <br /> Upper Tube Depth Inside Tank C=Z-2" 2 <br /> t <br /> Distance from top sealing surface for 7150 Lip'to inside the r L ' r—""'- r® (C) <br /> top of Storage Tank' ZJ A= <br /> For Non-Testable 71 SO models only <br /> In all cases for non-testable 7150 models,the top of the valve body must protrude at least 6'h"into the tank to <br /> provide a minimal clearance for proper operation.' Additionally the total Upper Tube Length must be at least 16" <br /> of length to include the protective bend in the tube. <br /> Is C less than 6%:- Yes ; NS <br /> If NO,Upper Tube Length(D)=C+A <br /> If YES,Upper Tube Length(D)=6 45--A <br /> Upper Tube Length <br /> o T tab1tjj$_QModefs only <br /> In all cases for Testable 7150 models,the top of the valve body must protrude at least 6 Y:'into the tank to provide <br /> a minimal clearance for proper operation.' Additionally the total Upper Tube Length must beat least 14 tS"of <br /> length to include the protective bend in the tube. <br /> Is C less than S- Yes / No <br /> If NO,Upper Tube Length(D)=C+A-1%' <br /> If YES,Upper Tube Length(D)=6'h"+A-1!h' <br /> Upper Tube Length= <br /> Sealing surface maybe the top of rhe Fare Seal Adaptor,the built in sealing ledge inside some spill containers,or on nom vapor <br /> light applications the top of the pipe nipple <br /> ' Some Underground Storage tanks utilize a monwoy system at the top Make sure to use the top ofrhe storage tank for meosure- <br /> menrandnattotopofthemamvoy Consult your underground tank manufacturer for height of the manway <br /> This measurement is taken from the seam rohe,e the upper lube is attached to the valve body to the inside ofrhe rank top. <br /> a <br />